示例#1
0
func parse(name string, mode present.ParseMode) (*present.Doc, error) {
	f, err := os.Open(name)
	if err != nil {
		return nil, err
	}
	defer f.Close()
	return present.Parse(f, name, 0)
}
示例#2
0
文件: main.go 项目: maddyonline/gddo
func loadHomeArticle() []byte {
	const fname = "assets/home.article"
	f, err := os.Open(fname)
	if err != nil {
		panic(err)
	}
	defer f.Close()
	doc, err := present.Parse(f, fname, 0)
	if err != nil {
		panic(err)
	}
	var buf bytes.Buffer
	if err := renderPresentation(&buf, fname, doc); err != nil {
		panic(err)
	}
	return buf.Bytes()
}
示例#3
0
文件: tour.go 项目: johnhiggs/tour
// parseLesson parses and returns a lesson content given its name and
// the template to render it.
func parseLesson(tmpl *template.Template, path string) ([]byte, error) {
	f, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer f.Close()
	doc, err := present.Parse(prepContent(f), path, 0)
	if err != nil {
		return nil, err
	}

	lesson := Lesson{
		doc.Title,
		doc.Subtitle,
		make([]Page, len(doc.Sections)),
	}

	for i, sec := range doc.Sections {
		p := &lesson.Pages[i]
		w := new(bytes.Buffer)
		if err := sec.Render(w, tmpl); err != nil {
			return nil, fmt.Errorf("render section: %v", err)
		}
		p.Title = sec.Title
		p.Content = w.String()
		codes := findPlayCode(sec)
		p.Files = make([]File, len(codes))
		for i, c := range codes {
			f := &p.Files[i]
			f.Name = c.FileName
			f.Content = string(c.Raw)
			hash := sha1.Sum(c.Raw)
			f.Hash = base64.StdEncoding.EncodeToString(hash[:])
		}
	}

	w := new(bytes.Buffer)
	if err := json.NewEncoder(w).Encode(lesson); err != nil {
		return nil, fmt.Errorf("encode lesson: %v", err)
	}
	return w.Bytes(), nil
}
示例#4
0
文件: xblog.go 项目: Sfeir/onGolang
// loadDocs reads all content from the provided file system root, renders all
// the articles it finds, adds them to the Server's docs field, computes the
// denormalized docPaths, docTags, and tags fields, and populates the various
// helper fields (Next, Previous, Related) for each Doc.
func (s *Server) loadDocs(root string) error {
	// Read content into docs field.
	const ext = ".article"
	fn := func(p string, info os.FileInfo, err error) error {
		if filepath.Ext(p) != ext {
			return nil
		}
		f, err := os.Open(p)
		if err != nil {
			return err
		}
		defer f.Close()
		d, err := present.Parse(f, p, 0)
		if err != nil {
			return err
		}
		html := new(bytes.Buffer)
		err = d.Render(html, s.template.doc)
		if err != nil {
			return err
		}
		p = p[len(root) : len(p)-len(ext)] // trim root and extension
		p = filepath.ToSlash(p)

		// article time is at 11am by default if no time is provided
		// remove one hour so that the article is online when the cron job is triggered at 11am
		if d.Time.Add(-time.Hour).Before(time.Now()) || appengine.IsDevAppServer() {
			s.docs = append(s.docs, &Doc{
				Doc:       d,
				Path:      s.cfg.BasePath + p,
				Permalink: s.cfg.BaseURL + p,
				HTML:      template.HTML(html.String()),
			})
		}
		return nil
	}
	err := filepath.Walk(root, fn)
	if err != nil {
		return err
	}
	sort.Sort(docsByTime(s.docs))

	// Pull out doc paths and tags and put in reverse-associating maps.
	s.docPaths = make(map[string]*Doc)
	s.docTags = make(map[string][]*Doc)
	for _, d := range s.docs {
		s.docPaths[strings.TrimPrefix(d.Path, s.cfg.BasePath)] = d
		for _, t := range d.Tags {
			s.docTags[t] = append(s.docTags[t], d)
		}
	}

	// Pull out unique sorted list of tags.
	for t := range s.docTags {
		s.tags = append(s.tags, t)
	}
	sort.Strings(s.tags)

	// Set up presentation-related fields, Newer, Older, and Related.
	for _, doc := range s.docs {
		// Newer, Older: docs adjacent to doc
		for i := range s.docs {
			if s.docs[i] != doc {
				continue
			}
			if i > 0 {
				doc.Newer = s.docs[i-1]
			}
			if i+1 < len(s.docs) {
				doc.Older = s.docs[i+1]
			}
			break
		}

		// Related: all docs that share tags with doc.
		related := make(map[*Doc]bool)
		for _, t := range doc.Tags {
			for _, d := range s.docTags[t] {
				if d != doc {
					related[d] = true
				}
			}
		}
		for d := range related {
			doc.Related = append(doc.Related, d)
		}
		sort.Sort(docsByTime(doc.Related))
	}

	return nil
}